2014 Mercedes-Benz CLS550 Technical Service Bulletins

111 technical service bulletins (TSBs) are on record for the 2014 Mercedes-Benz CLS550. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10207198Jan 27, 2022Electrical system. Complaint The garage door hand transmitter cannot be initialized with the integrated garage door opener in the inside rearview mirror. Cause 1. The integrated garage door opener (GDO) is not compatible with the opening system installed in the garage. 2. The garage door drive uses a rolling code system. In contrast to the fixed code system, the LED in the mirror in this case flashes green after programming. 3.
• 10207199Jan 9, 2022Electrical system. Complaint The range of the integrated garage door opener (GTO) is too short. Cause 1. Vehicles equipped with infrared windows and/or a heated windshield may suffer from complaints involving low transmission power. 2. When comparing the range between the integrated GTO and the garage door hand transmitter, the garage door hand transmitter is tested outside the vehicle. 3. The garage door hand transmitter is being…
• 10187793Jan 7, 2021Equipment, Electrical system. Mercedes-Benz AG (?MBAG?), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (?MY?) 2013-2017 B-Class, C-Class, CLA-Class, CLS-Class, E-Class, G-Class, GL-Class, GLA-Class, GLC-Class, GLE-Class, GLK-Class, GLS-Class, GT-Class, M-Class, S-Class, SL-Class, and SLK-Class (117, 156, 166, 172, 190, 204, 205, 207, 212, 217, 218, 222, 231, 242, 253, 292, and 463 platform), the software for the…
• 10186141Dec 10, 2020Electrical system. NTG5.5: Incorrect time shown on instrument cluster, COMAND display, and analog clock
• 10186135Dec 9, 2020Brakes, Electronic stability control. If the customer brakes sharply from a speed of > 30mph, without ABS intervention, there is a single cracking noise from the area of the ESP hydraulic unit
• 11031594Oct 29, 2020Visibility (wipers, defrost, mirrors). This NCU replaces the prior NCUs issued on May 18, June 25, 2020 and October 1, 2020 and contains important workshop instructions on how the HVAC Service Warranty repair must be carried out. To enhance the satisfaction of our customers, avoid further costs of litigation, and return focus to its core businesses, Mercedes-Benz USA, LLC (MBUSA) has entered into a settlement regarding claims relating to alleged mold…
• 10179966Jul 31, 2020Equipment, Other or unknown. Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect services nonfunctional
• 10177571Jun 30, 2020Exterior lighting, Equipment. Lamp unit fogged or droplets forming. Due to the vent openings, the lamp unit is an "open system". This means that acidic gases, moisture, dirt and exhaust gases can penetrate it. This can result in deposits on the diffuser and lens. Check housing cover of lamp unit for natural fogging or dew as per GI82.10-P-009047. . 1. If a reduction in the degree of fogging is visible, the desiccant packs can be used once the…
• 10176670May 21, 2020Equipment. To enhance the satisfaction of our customers, avoid further costs of litigation and return focus to its core businesses, Mercedes-Benz USA, LLC (MBUSA) has entered into a settlement regarding claims relating to alleged mold and mildew type odors originating from the HVAC system in certain Mercedes-Benz vehicles.
• 10160730Apr 25, 2019Visibility (wipers, defrost, mirrors), Equipment. Window lifter inoperative
• 10160738Apr 11, 2019Electrical system, Engine. Update engine electronics (ME-SFI) control unit software
• 10160625Apr 5, 2019Suspension. Thumping noises from rear axle shock absorber
• 10155128Feb 1, 2019Body and structure. Thumping noises from rear axle damper
• 10155126Jan 30, 2019Electrical system. Model series 257: In the Edition 1, the Welcome graphic is not displayed in the instrument cluster with the specific Edition animation.
• 10154023Jan 25, 2019Brakes. ESP, BAS, PRE-SAFE - Fault message in instrument cluster
• 10154018Jan 25, 2019Engine, Brakes. ESP, BAS, PRE-SAFE - Fault message in instrument cluster
• 10151959Jul 23, 2018Seat belts. Seat belt extender toothed rack sluggish or makes noises
• 10151941Jul 12, 2018Equipment. Inductive charging: iPhone is not reliably charged
• 10151926Jul 3, 2018Electrical system, Lane departure, Brakes. Warnings without obvious cause from front parking sensors in vehicles with AMG Styling Package (SA code 772)
• 10144131May 11, 2018Body and structure. Trunk lid cannot be closed
• 10158329Oct 9, 2017Engine. Oil in engine wiring harness
• 10205147Nov 14, 2016Engine cooling. Ticking or pulsing noise from high-pressure pump and/or fuel injectors.
• 10205247Aug 25, 2016Equipment. Traffic information service and posibly the voice control, nonfunctional after navigation software update.
• 10205239Aug 16, 2016Equipment. "Anti-theft protection activated".
• 10058563Jul 6, 2015Engine, Engine cooling. Xentry (mercedes): stored in engine control unit (ecu) is fault to exhaust back pressure sensor causing engine to be in limp home mode and diagnosis warning lamp activated. Model 176, 246, 204, 212, 166, 207, 218, 221, 251. No years listed.
• 10058547Jun 30, 2015Seat belts, Seats. Xentry (daimler): some vehicles experience an incomplete normalization of seat cushion and blocking between seat belt buckle and control unit detects blockage and aborts normalization sequence. Model 222 (code 232 + 224 +305). No years listed.
• 10058548Jun 4, 2015Engine. Xentry (daimler): stored in engine control unit are faults relating to throttle valve actuator and/or oxygen sensor due to occasional transition resistance at contacts, causing engine diagnosis warning lamp to be inactive. Model all.
• 10135628Oct 14, 2014Equipment. iPhone mobile phone: Various complaints after software update to iOS8
• 10057108Oct 1, 2014Engine. Mercedes benz sls class this service campaign is initiated due to the manufacturer of mercedes benz has discovered the upper engine bracket may contribute to increased noise in the engine compartment.
• 10166092Jul 12, 2014Seats. Dynamic seat control is not functioning correctly and/or air cushions do not inflate fully.
• 10166080Jul 12, 2014Seats. The pneumatic 4-way lumbar support fails. Lumbar support pockets cannot be filled up or they drain.
• 10166099Jul 10, 2014Seats. Pneumatic comfort systems with insufficient performance, entirely inoperative or leaky.
• 10056555Jun 30, 2014Transmission and drivetrain. Xentry (mercedes): although brakes are applied, electronic selector lever module is blocked, in position p.
• 10136016Jun 12, 2014Body and structure. Clearcoat peeling / flaking / bubbling
• 10167488Mar 21, 2014Engine cooling. Engine rattling noise after engine start for several seconds
• 10167487Mar 21, 2014Fuel system, Electrical system. Minor leaks at the oil duct of the left or right cylinder head of engines 157, 276 and 278. 1. Left cylinder head: Oil passage plug hole on left beside mechanical vacuum pump. 2. Right cylinder head: Oil passage plug hole below high-pressure pump housing.
• 10059545Mar 14, 2014Equipment, Suspension. Summary to be provided on a future date.
• 10167525Mar 3, 2014Equipment. Apple products (iPhone or iPod) are not charged via the serial USB interface of the COMAND Online control unit (A40/3) in the stowage compartment of the center console.
• 10167533Mar 1, 2014Suspension. This Service Campaign has been initiated because Daimler AG (DAG), manufacturer of Mercedes-Benz vehicles, has determined that the weld seams at the rear axle cross member may not be to specification. To correct this condition, an authorized Mercedes-Benz dealer will check the left and right weld seams at the rear axle cross member and repair if necessary at the next workshop visit.
• 10167510Feb 28, 2014Transmission and drivetrain, Electrical system. The vehicle cannot be started The vehicle may start by itself shortly after the startup attempt with a delay, as the relay can be late closing. and/or The gear selection is displayed, but no gear is engaged. Gear selection is not possible. and/or Rear window wiper inoperative. and/or Various fault codes concerning disrupted communication paths are stored and/or the corresponding control units are not displayed in…
• 10167007Feb 25, 2014Electrical system. Engine diagnosis warning lamp active. Fault code 20BE1B and/or 20BD1B (The heating element of the AdBlue tank has a malfunction) is logged in the Blue-Tec control unit.
• 10167002Feb 25, 2014Steering. Creaking noise when making vertical or longitudinal adjustment to electrical steering column
• 10167000Feb 18, 2014Steering. Surface damage on steering wheel trim
• 10167006Feb 12, 2014Electrical system. Engine diagnosis warning lamp active. Fault code 20BE1B and/or 20BD1B (The heating element of the AdBlue tank has a malfunction) is logged in the Blue-Tec control unit.
• 10166975Feb 11, 2014Equipment. This Customer 1 Action has been initiated because certain mbrace subscribers were recently contacted by mbrace informing them that they need to have an i-button call performed to ensure their mbrace device has registered with the Verizon Telematics systems. If the i-button call failed or if the customer was unable to perform the i-button call, the mbrace agent instructed the customer to make an appointment with…
• 10167015Feb 10, 2014Electrical system. The key is not recognized in the electronic ignition switch, the vehicle cannot be started and/or the automatic transmission may perform an "Automatic P function" at speeds below 6 km/h.
• 10166976Feb 3, 2014Equipment. Message in instrument cluster "DISTRONIC PLUSCurrently Unavailable - See Owner's Manual"
• 10167040Feb 1, 2014Electrical system. This Service Campaign has been initiated because Daimler AG (DAG), the manufacturer of Mercedes-Benz vehicles, has determined that the mbrace software does not correspond to current production configuration. An authorized Mercedes-Benz dealer will update the mbrace control module software at the next workshop visit.
• 10205248Aug 28, 2013Equipment. "SOS mbrace service not activated".
• 10205234Aug 21, 2013Electrical system. Software update of COMAND Online control unit.

← All problems reported for the 2014 Mercedes-Benz CLS550